毕业论文《光缆敷设线路设计》.doc

【摘要】光缆是光纤通信系统的重要组成部分，是光信号传输的媒介，也是光纤通信网络传输性能稳定、可靠的基本保证。光缆由作为光信号传输主体的光纤、保持光纤不受外界环境影响的护层，以及为光缆提供抗拉强度的加强件组成。光纤的种类及特性决定光缆线路的传输容量和性能。光缆的结构类型决定光缆对外界机械和环境作用的适应程度。本文主要通过五个部份进行论述，第一部份到第三部份着重于光纤与光缆的概念与原理的论述，第四个部份是本文的重点，主要阐述了如何进行光缆线路敷设设计的理论，在论文的第五个部份是案例分析。 【关键词】光纤 光缆 特性 通信系统 敷设 【Abstract】Cable is the important composition part of the communication system of optical cable , is the medium of smooth signal transmission, is also the communication network transmission performance of optical cable steady, reliable basic guarantee. Cable from maintenance and the optical cable as solely signal transmission main part optical cable do not get the influence of outside ambient protect layer, as well as the reinforcement composition that offers tensile strength for cable. Property and the kind of optical cable decision performance and the transmission capacity of cable line. The structural type of cable decision cable for outside mechanical and environmental role meet level. This paper pass mainly 5 partial discuss , the first share go to 3th partial stress in the exposition of principle and the concept of cable and optical cable, 4th Ge partial is the focal point of this paper, have elaborated mainly how to carry out cable line lay , the 5th in paper Ge partial is case analysis. 【Key Words】Optical cable Cable Property System communicates Lay 目 录 第1章 光纤与光缆概述........ ........ ........ ........ ........1 1.1 光纤的结构与分类........ ........ ........ ........ ........1 1.1.1 光纤的结构........ ........ ........ ........ ........1 1.1.2光纤的分类........ ........ ........ ........ ........1 1.2光缆的结构与端别........ ........ ........ ........ ........2 1.2.1 光缆的结构........ ........ ........ ........ ........2 1.2.2 光缆的端别........ ........ ........ ........ ........3 1.3 光缆分类与选择........ ........ ........ ........ ........3 1.3.1光缆的分类........ ........ ........ ........ ........3 1.3.2光缆的选择要点........ ........ ........ ........ ........4 第2章 光纤传输原理及传输特性........ ........ ........ ........6